xref: /openbmc/qemu/ui/input-keymap.c (revision 55bbc861)
1 #include "qemu/osdep.h"
2 #include "sysemu/sysemu.h"
3 #include "ui/keymaps.h"
4 #include "ui/input.h"
5 
6 #include "standard-headers/linux/input.h"
7 
8 #include "ui/input-keymap-linux-to-qcode.c"
9 #include "ui/input-keymap-qcode-to-qnum.c"
10 #include "ui/input-keymap-qnum-to-qcode.c"
11 #include "ui/input-keymap-qcode-to-linux.c"
12 
13 int qemu_input_linux_to_qcode(unsigned int lnx)
14 {
15     if (lnx >= qemu_input_map_linux_to_qcode_len) {
16         return 0;
17     }
18     return qemu_input_map_linux_to_qcode[lnx];
19 }
20 
21 int qemu_input_key_value_to_number(const KeyValue *value)
22 {
23     if (value->type == KEY_VALUE_KIND_QCODE) {
24         if (value->u.qcode.data >= qemu_input_map_qcode_to_qnum_len) {
25             return 0;
26         }
27         return qemu_input_map_qcode_to_qnum[value->u.qcode.data];
28     } else {
29         assert(value->type == KEY_VALUE_KIND_NUMBER);
30         return value->u.number.data;
31     }
32 }
33 
34 int qemu_input_key_number_to_qcode(unsigned int nr)
35 {
36     if (nr >= qemu_input_map_qnum_to_qcode_len) {
37         return 0;
38     }
39     return qemu_input_map_qnum_to_qcode[nr];
40 }
41 
42 int qemu_input_key_value_to_qcode(const KeyValue *value)
43 {
44     if (value->type == KEY_VALUE_KIND_QCODE) {
45         return value->u.qcode.data;
46     } else {
47         assert(value->type == KEY_VALUE_KIND_NUMBER);
48         return qemu_input_key_number_to_qcode(value->u.number.data);
49     }
50 }
51 
52 int qemu_input_key_value_to_scancode(const KeyValue *value, bool down,
53                                      int *codes)
54 {
55     int keycode = qemu_input_key_value_to_number(value);
56     int count = 0;
57 
58     if (value->type == KEY_VALUE_KIND_QCODE &&
59         value->u.qcode.data == Q_KEY_CODE_PAUSE) {
60         /* specific case */
61         int v = down ? 0 : 0x80;
62         codes[count++] = 0xe1;
63         codes[count++] = 0x1d | v;
64         codes[count++] = 0x45 | v;
65         return count;
66     }
67     if (keycode & SCANCODE_GREY) {
68         codes[count++] = SCANCODE_EMUL0;
69         keycode &= ~SCANCODE_GREY;
70     }
71     if (!down) {
72         keycode |= SCANCODE_UP;
73     }
74     codes[count++] = keycode;
75 
76     return count;
77 }
78